SOLUTION: A train travels in a straight line at 20 m/s for 2 km, then at 30 m/s for another 2 km. Calculate the average speed for this trip in meters per second.
Algebra.Com
Question 903717: A train travels in a straight line at 20 m/s for 2 km, then at 30 m/s for another 2 km. Calculate the average speed for this trip in meters per second.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Avg = 2*20*30/(20+30)
= 24 m/sec
RELATED QUESTIONS
Calculate the average speed of a vehicle in km/h traveling at 36 km/h for 20 minutes and... (answered by ewatrrr)
You are driving your car in a straight line at 15 m/s for 10 kilometers, then at 25 m/s... (answered by jorel1380)
you drove for 2 hours at 28 m/s and then took 30 minute break for coffee. you then drove... (answered by Alan3354,greenestamps)
a train travels 650 km in 12 hours what is the average speed in... (answered by ikleyn,math_tutor2020)
a car travels certain distance at a speed of 30 km/h and returns with a speed of 10 m/s... (answered by Fombitz)
A car travels at a constant speed of 30.0 m/s for 0.8h. Find the total distance traveled... (answered by MathLover1,Alan3354)
An auto travels at a rate of 25.0 km/hr for 4.00 minutes, then at 50.0 km/hr for 8.00... (answered by josmiceli)
a train travel 68 km/h at an average speed of 51 km/h.It than travel another 20 km at an... (answered by JulietG)
a car travels at an average speed of 30.0 m/s for 0.8 h. find the total distance traveled (answered by ankor@dixie-net.com)